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From: Peter Dassow <z80eu@arcor.de>
Newsgroups: comp.os.cpm
Subject: Anybody adapted Sargon78 to B&W VT100 ?
Date: Sat, 2 May 2026 13:21:06 +0200
Organization: A noiseless patient Spider
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Hi,

at https://github.com/z80playground/sargon-cpm a slightly modified 
version of the original CP/M-80 Sargon chess program from 1978 can be 
downloaded. I tried this one, and it looks great with Codepage 437 and 
ANSI terminal emulation on a PC, but looks very ugly on a SC126 (RC2014 
compatible Z180 SBC) with RP2040 VGA Terminal, which has also some sort 
of ANSI/VT100 emulation. The codepage 437 graphics chars are NOT the 
problem (because RP2040 VGA Terminal supports this), but the ESC 
sequences for color. I tried to modify the binary at the address of the 
ESC sequence stored in the file, but the program crashes immediately 
(thought the ESC sequences are null-terminated strings, but it seems 
they are not). The source code seems to be assembled with "PASMO", but I 
don't know PASMO. The unmodified original source code (?) can be found 
at 
https://github.com/billforsternz/retro-sargon/blob/master/stages/sargon-z80.asm 
... does anybody tried to adapt/modify the Sargon78 to run with 
non-color VT100/ANSI codes but keep the CP437 graphics chars ?